<template>
  <div class='reports_container'>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
      <div id="main" style="width: 100%;height:650px;"></div>
    </el-card>
  </div>
</template>

<script>
import * as echarts from 'echarts'
import reports from '@/api/reports'
import _ from 'lodash'

export default {
  name: 'MyReports',
  data () {
    return {
      options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      }
    }
  },
  components: {},
  methods: {},
  created () { },
  async mounted () {
    // 基于准备好的dom，初始化echarts实例
    const myChart = echarts.init(document.getElementById('main'))

    const { data: res } = await reports.getReports()
    if (res.meta.status !== 200) {
      return this.$message.error(res.meta.msg)
    }

    _.merge(res.data, this.options)

    // 使用刚指定的配置项和数据显示图表
    myChart.setOption(res.data)
  }
}
</script>

<style lang='less' scoped>
.el-breadcrumb {
  line-height: 50px;
}
</style>
